Education Corner: Frailty Among Kidney Transplant Candidates

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What is the Clinical Definition of Frailty?

The frailty phenotype is a multi-component syndrome in which three or more of the following criteria are met:

  • Unexplained Weight Loss
  • Decreased Walking Speed
  • Decreased Grip Strength
  • Low Physical Activity
  • Exhaustion


Are Frail Kidney Transplant Candidates at Risk of Poor Outcomes?

Kidney Transplant Candidates, regardless of age, are highly vulnerable to adverse events while awaiting a transplant. In kidney transplant candidates, frailty is associated with increased odds of fair or poor HRQOL (Health-Related Quality of Life) at the time of evaluation. Frail candidates have the steepest decline in HRQOL while waiting for a kidney transplant. Additionally, these candidates are at an increased risk of waitlist mortality.

Are Frail Kidney Transplant Recipients at Risk of Poor Outcomes?

Recipients who are frail are at high risk for adverse post-KT outcomes. When measured at the time of admission for KT, frailty is associated with increased risk of longer length of stay (2+ weeks), post-transplant delirium, early hospital readmission within 30 days of discharge, delayed graft function, MMF (mycophenolate mofetil) intolerance, and mortality.

 Which Kidney Transplant Recipients are Likely to Become Frail?

Contributing Factors

  • Age (The older the recipient, the more susceptible to frailty)
  • Instrumental Activities of Daily Living (IADL) Disability
  • Center for Epidemiological Studies Depression (CES-D)
  • Low educational ascertainment
  • Self-reported HRQOL

Non-Contributing Factors

  • Sex
  • Race
  • Obesity
  • Smoking Status
  • Cause of End Stage Renal Disease (ESRD)
  • Duration of they Dialysis Treatment
  • Donor Type

Frailty Assessments Help Improve Recipient Selection

Incorporating a frailty assessment into the kidney transplant evaluation aids transplant surgeons in:

  • Accepting marginal candidates who are robust
  • Deciding against transplanting candidates who will not tolerate transplantation
  • Identifying older patients who will benefit from transplant despite their age
  • Identifying candidates who may need prehabilitation

REFERENCES

  • McAdams-DeMarco, M., Olorundare, I., Ying, H., Warsame, F., Haugen, C., Hall, R., Garonzik-Wang, J., Desai, N., Walston, J., Norman, S. and Segev, D. (2018). Frailty and Postkidney Transplant Health-Related Quality of Life. Transplantation, 102(2), pp.291-299.
  • Fried, L., Tangen, C., Walston, J., Newman, A., Hirsch, C., Gottdiener, J., Seeman, T., Tracy, R., Kop, W., Burke, G. and McBurnie, M. (2001). Frailty in Older Adults: Evidence for a Phenotype. The Journals of Gerontology Series A: Biological Sciences and Medical Sciences, 56(3), pp.M146-M157.
  • McAdams-DeMarco, M., Ying, H., Olorundare, I., King, E., Haugen, C., Buta, B., Gross, A., Kalyani, R., Desai, N., Dagher, N., Lonze, B., Montgomery, R., Bandeen-Roche, K., Walston, J. and Segev, D. (2017). Individual Frailty Components and Mortality in Kidney Transplant Recipients. Transplantation, 101(9), pp.2126-2132.
  • McAdams-DeMarco, M., Law, A., King, E., Orandi, B., Salter, M., Gupta, N., Chow, E., Alachkar, N., Desai, N., Varadhan, R., Walston, J. and Segev, D. (2014). Frailty and Mortality in Kidney Transplant Recipients. American Journal of Transplantation, 15(1), pp.149-154.
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About the Author:

Corey joins The Alliance with more than ten years of experience in corporate and non-profit fields, having worked in Communications for The Walt Disney Company and most recently, Public Relations for TransLife, the OPO serving Central Florida. He has also been an active board member of Donate Life Florida, serving as state team leader for the Driver License Outreach taskforce. Corey holds a Bachelor of Arts in Communication and Information Sciences from The University of Alabama. In his spare time, he is an avid music and theater enthusiast, enjoys traveling, Crimson Tide Football and serving on the board for several local charities in the Orlando area.
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